Helio Overview II: Geospace Plasma Environment by Lauren Blum, August 12, 2025

New channel UCAR.CPAESS: title sample judged 'whole' (Nearly all long uploads are genuine academic lectures, seminars, and summer-school courses on heliophysics and earth sys); passed a second screen for sellers/exam-prep/re-uploads; 0 of 3 sampled transcripts showed teaching, 0 not; titles picked one by one, checked strictly; oEmbed verified.